CN220169686U - Panel assembly and electric water heater - Google Patents

Abstract

The utility model discloses a panel assembly and an electric water heater. A panel assembly, comprising: the front panel, the upper portion of the front panel has plug-in connection department and draw-in groove, the bottom of the front panel has mounting holes; the control panel is arranged on the front panel; the bottom of decorative board sets up joint portion, and the upper portion of decorative board is provided with supplementary grafting portion, joint portion cartridge in the draw-in groove. Through set up the draw-in groove on the front panel, be provided with joint portion on the decorative board, utilize joint portion and draw-in groove cooperation can make decorative board and front panel be in the same place, decorative board and front panel all peg graft the cooperation with the shell through the grafting portion that upper portion was arranged, at this moment, the decorative board will be fixed between front panel and shell, and the bottom rethread screw fastening of front panel is on the shell, and then realize not having reduced the use amount of screw to every part respectively through the screw fixed, improved packaging efficiency of electric water heater has been provided.

Description

Panel assembly and electric water heater

Technical Field

The utility model belongs to the technical field of household appliances, and particularly relates to a panel assembly and an electric water heater.

Background

At present, water heaters are household appliances commonly used in daily life of people, and are classified into electric water heaters, heat pump water heaters, solar water heaters and the like. The electric water heater is widely used because of its convenient use. The electric water heater can be divided into a water storage type electric water heater and an instant heating type electric water heater according to the heating power, and the water storage type electric water heater is provided with a water tank, so that the electric water heater has the characteristics of large water yield, stable water temperature and the like, and is purchased and used by more families.

For convenience of user operation, a panel is usually disposed on the front side of the water tank of the electric water heater, and a control panel is disposed on the back of the panel. Along with the improvement of the requirements of people on the whole appearance beautification, the panel is also required to be decorated by matching with decorative strips. This requires the individual components to be fixedly mounted one by one to the housing of the tank by screws during the actual assembly, which results in a low assembly efficiency.

In view of this, it is an object of the present utility model to design a technique for reducing the amount of screws used to improve the assembly efficiency.

Disclosure of Invention

The utility model provides an electric water heater, which can reduce the screw usage amount when a panel assembly is assembled so as to improve the assembly efficiency.

In order to achieve the technical purpose, the utility model is realized by adopting the following technical scheme:

in one aspect, the present utility model provides a panel assembly comprising:

the front panel, the upper portion of the said front panel has plug-in connection and draw-in groove, the bottom of the said front panel has mounting holes;

the control panel is arranged on the front panel;

the decorative board, the bottom of decorative board sets up joint portion, the upper portion of decorative board is provided with supplementary grafting portion, joint portion cartridge is in the draw-in groove.

Compared with the prior art, the utility model has the advantages and positive effects that: through set up the draw-in groove on the front panel, corresponding, be provided with joint portion on the decorative board, utilize joint portion and draw-in groove cooperation can make decorative board and front panel be in the same place, and when assembling panel components to the shell, decorative board and front panel all carry out grafting cooperation through the grafting portion that upper portion was arranged with the shell, at this moment, the decorative board will be fixed between front panel and shell, and the bottom rethread screw fastening of front panel is on the shell, and then the realization need not to fix through the screw respectively to every part, the use amount of screw has been reduced, the improvement packaging efficiency of electric water heater is provided.

In an embodiment of the utility model, the decorative board is further provided with a decorative strip.

In one embodiment of the utility model, the decorative strip is bonded or clamped on the decorative plate.

In an embodiment of the utility model, the front panel includes a board body and a board surface, the board body is provided with the plugging portion, the clamping groove and the mounting hole, the board surface is arranged on the board body, and the control board is arranged on the board body and is positioned on the back surface of the board surface.

In an embodiment of the utility model, the control board comprises a mounting cover and a circuit board, wherein the circuit board is arranged on the mounting cover, and the mounting cover is arranged on the board body.

In an embodiment of the utility model, a touch key and a display screen are arranged on the circuit board, a touch area and a display area are arranged on the board surface, the touch key is arranged at the rear part of the touch area, and the display screen is arranged at the rear part of the display area.

In one embodiment of the present utility model, the board surface is adhered or clamped on the board body.

In an embodiment of the present utility model, a support column is disposed on the back of the board body, and the mounting hole penetrates through the support column.

In an embodiment of the present utility model, the insertion portion and the auxiliary insertion portion are insertion tongues extending upward.

In another aspect, the present utility model also provides an electric water heater, comprising:

the front part of the shell is provided with a jack and a limiting hole;

a panel assembly employing the above panel assembly;

the auxiliary plug-in part of the panel assembly is inserted into the limiting hole, and the screw penetrates through the mounting hole of the panel assembly and is fixed on the shell.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it will be obvious that the drawings in the following description are some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.

FIG. 1 is a schematic diagram of an embodiment of an electric water heater according to the present utility model;

FIG. 2 is a second schematic diagram of an embodiment of the electric water heater of the present utility model;

FIG. 3 is a cross-sectional view of an embodiment of an electric water heater according to the present utility model;

FIG. 4 is a schematic view of the housing of FIG. 1;

FIG. 5 is a schematic view of the panel assembly of FIG. 1;

FIG. 6 is a second schematic structural view of the panel assembly of FIG. 1;

FIG. 7 is an exploded view of the panel assembly of FIG. 1;

FIG. 8 is a schematic view of a portion of the structure of FIG. 1;

FIG. 9 is a schematic diagram of the first thermal seat of FIG. 8;

FIG. 10 is a schematic view of the external connection assembly of FIG. 1;

FIG. 11 is a schematic diagram of the electrical heating module of FIG. 1;

FIG. 12 is a cross-sectional view of the electric heating module of FIG. 11;

FIG. 13 is an enlarged partial schematic view of area A of FIG. 12;

fig. 14 is a partially enlarged schematic view of region B in fig. 12.

Reference numerals illustrate:

a housing 1;

the heat preservation device comprises a first heat preservation seat 11, a second heat preservation seat 12, a hanging rack 13, a limiting hole 14, a second jack 15, a hanging hole 16, a first jack 17, a cover plate 18 and a wiring hole 19;

the electric installation groove 111, the through jack 112, the wiring channel 113, the avoidance notch 114, the annular rib 115, the avoidance groove 181, the first external connection tube 101 and the second external connection tube 102;

an inner container 2;

an electric heating module 3;

the water treatment device comprises a flange plate 31, an electric heating pipe 32, a water inlet pipe 33, a water outlet pipe 34, a first water treatment module 35 and a second water treatment module 36;

extension 341, water outlet 342, sleeve 351, mineralized filler 352, support ring 353, mount 361, scale inhibiting component 362, turndown structure 363;

a panel assembly 4;

a front panel 41, a control panel 42, a decorative panel 43 and a decorative strip 44;

the card slot 411, the second mounting hole 412, the second plug part 413, the plate body 414, the plate surface 415, the support column 416, the mounting cover 421, the circuit board 422, the card connection part 431 and the auxiliary plug part 432;

an external connection assembly 5;

a water inlet joint 51, a water outlet joint 52, a tube seat 53, a flexible pad 54 and a decorative cover 55;

a concealing cover 6;

a hanging portion 61, a first insertion portion 62.

Description of the embodiments

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, in the description of the present utility model, terms such as "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus are not to be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The following disclosure provides many different embodiments, or examples, for implementing different features of the utility model. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the utility model. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present utility model provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.

The electric water heater adopts electric energy as a main energy material, and the high-temperature heat generated after the electric energy is electrified directly heats water stored in the electric water heater so as to achieve the purpose of preparing hot water.

The electric water heater generally comprises a water tank, an electric heating component, an electric control board and the like, wherein a water storage cavity is formed in the water tank to store water to be heated, the electric heating component is inserted into the water storage cavity formed by the water tank, and the electric control board is used for controlling the electric heating component to be powered on and powered off so as to heat the water in the water tank to a set temperature.

For a water tank of an electric water heater, the water tank generally comprises a shell and an inner container, and an insulation layer is formed between the shell and the inner container. Wherein, the shell is generally made of plastic materials so as to meet the design requirements of beautiful and diversified shapes; the inner container can be a metal container body or a plastic container body according to the requirement.

In addition, the heat preservation that forms between shell and the inner bag, the heat preservation material that commonly uses has: asbestos, sponge, foam, polyurethane foam, etc., and in order to obtain a good heat-insulating effect in the conventional art, a heat-insulating layer is usually formed by foaming.

For the liner adopting the metal liner body, the inside of the liner is easy to corrode due to the influence of water quality, and therefore, the water tank is also provided with a magnesium rod which is inserted into a water storage cavity in the water tank.

Since magnesium is the lowest potential metal in the electrochemical sequence, it is physiologically non-toxic. Therefore, the magnesium rod protective liner is very ideal to be used for manufacturing the magnesium rod protective liner. The size of the magnesium rod is directly related to the time of protecting the liner and the protecting effect, and the larger the magnesium rod is, the better the protecting effect is and the longer the protecting time is.

The water tank is also provided with a water inlet pipe and a water outlet pipe, the water inlet pipe is used for conveying cold water into a water storage cavity formed in the water tank, and hot water in the water storage cavity is output from the water outlet pipe.

For the electric heating component, electric heating modes such as electric heating wires, magnetic energy or silicon tube heating can be adopted to heat water stored in the water storage cavity.

For the electric control board, the electric control board is used for receiving detection signals sent by related sensors (such as a water temperature sensor and a flow sensor) and controlling the electric heating component to be powered on and powered off.

When the electric water heater works, the electric heating component is controlled by the electric control board to be electrified and heated, and when the water temperature of the water in the water tank reaches a set value, the electric heating component is controlled by the electric control board to be powered off.

As shown in fig. 1 to 3, the present embodiment provides an electric water heater, which includes:

the shell 1, the both ends of shell 1 correspond and are provided with first heat preservation seat 11 and second heat preservation seat 12, wherein, be formed with electric installation groove 111 on the first heat preservation seat 11, be provided with through jack 112 in the electric installation groove 111, electric room (not marked) is formed with the terminal surface of shell 1 in electric installation groove 111, be provided with automatically controlled board (not shown) in the electric room, the back of shell 1 is provided with stores pylon 13.

The inner container 2, the inner container 2 forms the water storage cavity, an end of the inner container 2 forms the courage mouth (not marked). Wherein, the inner container 2 is located in the outer shell 1 and between the first heat preservation seat 11 and the second heat preservation seat 12, and the container opening is located in the through jack 112.

The electric heating module 3, the electric heating module 3 includes flange 31, electric heating pipe 32, inlet tube 33 and outlet tube 34, and electric heating pipe 32, inlet tube 33 and outlet tube 34 set up on flange 31. The flange 31 is disposed on the liner opening and is positioned in the through receptacle 112.

A panel assembly 4, the panel assembly 4 including a front panel 41 and a manipulation panel 42, the manipulation panel 42 being disposed on the front panel 41; the front panel 41 is provided on the housing 1, and the console panel 42 is electrically connected to the electronic control panel through a cable.

The external connection assembly 5, the external connection assembly 5 includes water inlet joint 51 and water outlet joint 52, and water inlet joint 51 and water outlet joint 52 set up on shell 1, and water inlet joint 51 is connected with inlet tube 33 internal connection, and water outlet joint 52 outlet pipe 34 is connected.

Specifically, during actual use, the housing 1 is hung on the wall through the hanging frame 13, and the external water pipe is correspondingly connected to the water inlet connector 51 and the water outlet connector 52. The electric heating pipe 32 is electrified to heat water in the inner container 2, when a user uses water, cold water enters the inner container 2 through the water inlet joint 51, and hot water in the inner container 2 is finally output to a water use terminal of the user from the water outlet joint 52.

For the convenience of being connected with the external stores pylon 13, the outside of inner bag 2 is provided with staple bolt (not shown), be provided with connecting seat (not shown) on the staple bolt, stores pylon 13 with connecting seat fixed connection.

In an embodiment, in order to reduce the flow of the foaming material into the electrical installation groove 111 during the foaming process, the surface of the first heat insulation seat 11 opposite to the inner container 2 is further provided with an annular rib 115, and the annular rib 115 can effectively slow down the flow of the foaming material into the electrical installation groove 111, so as to reduce the flow of the foaming material into the electrical installation groove 111.

In order to solve a plurality of problems existing in the electric water heater in the prior art, the electric water heater is purposefully improved aiming at specific technical problems.

In the first embodiment, in order to facilitate assembly and reduce the amount of screws, the assembly efficiency is improved. In the electric water heater of the present embodiment, the following structural improvement is made to the panel assembly 4, and the following description is made with reference to the accompanying drawings.

As shown in fig. 4-7, for the panel assembly 4, it includes:

a front panel 41, wherein a clamping slot 411 is arranged at the upper part of the front panel 41, and a second mounting hole 412 is arranged at the bottom of the front panel 41;

a control panel 42, the control panel 42 being disposed on the front panel 41;

the decorative plate 43, the bottom of decorative plate 43 sets up joint portion 431, and the upper portion of decorative plate 43 is provided with supplementary grafting portion 432, and joint portion 431 card is adorned in draw-in groove 411.

Correspondingly, the front part of the shell 1 is provided with a limiting hole 14.

In the actual assembly process, the console panel 42 is assembled with the front panel 41, and the decorative panel 43 is also preassembled to the front panel 41, so that the front panel 41, the console panel 42 and the decorative panel 43 form a modular structure, and then the panel assembly 4 is assembled to the housing 1 as a whole.

The decorative plate 43 is clamped together by the clamping part 431 and the clamping slot 411 in a matched mode, and further the two are not required to be connected and fixed through screws, so that the using amount of the screws is reduced.

In addition, the housing 1 is correspondingly provided with a limiting hole 14, when the panel assembly 4 is assembled, the auxiliary plug-in portion 432 of the decorative plate 43 is inserted into the limiting hole 14 to limit the top, and then the auxiliary plug-in portion is inserted into the second mounting hole 412 through a screw to be fixed on the housing to fix the bottom, so that the panel assembly 4 is fixed on the housing 1.

In another embodiment of the present utility model, decorative strip 44 is further provided on decorative plate 43 for better appearance.

Specifically, the decorative strip 44 is additionally disposed on the decorative plate 43, so that the overall appearance effect of the panel assembly 4 is more attractive. And the decorative strip 44 may be bonded or snapped onto the decorative strip 43 for ease of assembly.

In one embodiment, in order to improve the mounting reliability, the front of the housing 1 is provided with a second receptacle 15; the upper portion of the front panel 41 is provided with a second plug-in portion 413.

Specifically, when the panel assembly is mounted on the housing 1, the second plugging portion 413 is correspondingly inserted into the second jack 15, so that the upper portion of the panel assembly 4 is double-layer limited by matching the second plugging portion 413 and the auxiliary plugging portion 432, so as to improve the overall assembly reliability.

In some embodiments, the front panel 41 includes a board 414 and a board 415, the board 414 is provided with the plugging portion, the slot 411 and the mounting hole, the board 415 is disposed on the board 414, and the control board 42 is disposed on the board 414 and located on the back of the board 415.

Specifically, the front panel 41 adopts a split structure, the outer surface of the panel 415 is a smooth surface to improve the overall display effect, and the panel body 414 is mainly used as a supporting and mounting component to be assembled and matched with the control panel 42 and the decorative panel 43. Wherein the plate 415 is bonded or clamped to the plate body 414.

In another embodiment, to facilitate the installation of the console, the console 42 includes a mounting cover 421 and a circuit board 422, the circuit board 422 is disposed on the mounting cover 421, and the mounting cover 421 is disposed on the board body 414.

Specifically, the circuit board 422 is disposed on the mounting cover 421 and is fixed on the board body 414 through the mounting cover 421, where the circuit board 422 may be configured with a display screen and touch keys as required.

Correspondingly, a touch area (not marked) and a display area (not marked) are arranged on the panel surface 415, the touch keys are arranged at the rear part of the touch area, and the display screen is arranged at the rear part of the display area.

In one embodiment, the back of the plate 414 is provided with support posts 416, and the mounting holes extend through the support posts 416.

Specifically, the support column 416 is disposed on the through plate 414, and the mounting hole penetrates through the support column 416, and when assembled, the support column 416 can abut against the outer surface of the housing 1, and further the support column 416 is matched with the housing 1 to further support the plate 414.

In another embodiment, the first and second plug portions 62, 413 and the auxiliary plug portion 432 are upwardly extending plug tongues.

Through set up the draw-in groove on the front panel, corresponding, be provided with joint portion on the decorative board, utilize joint portion and draw-in groove cooperation can make decorative board and front panel be in the same place, and when assembling panel components to the shell, decorative board and front panel all carry out grafting cooperation through the grafting portion that upper portion was arranged with the shell, at this moment, the decorative board will be fixed between front panel and shell, and the bottom rethread screw fastening of front panel is on the shell, and then the realization need not to fix through the screw respectively to every part, the use amount of screw has been reduced, the improvement packaging efficiency of electric water heater is provided.

And through set up spacing hole and hanging hole on the shell to satisfy the requirement of hiding cover and panel subassembly top screwless installation, and the mounting hole that hides cover and panel subassembly bottom configuration then can pass through the screw fastening on the shell in order to satisfy firm installation's requirement, and, to the panel subassembly, utilize joint portion and draw-in groove cooperation can make decorative board and front panel assemble together, make the whole assembly of panel subassembly to the shell, realize need not to fix through the screw respectively to every part, reduced the use amount of screw, provided electric water heater's improvement packaging efficiency.

In the second embodiment, in order to conceal the external connection component 5 and the external pipeline connected with the external connection component 5 provided on the housing 1, a concealing cover 6 is additionally provided on the housing 1. In order to reduce the extra space at the bottom of the housing 1 occupied by the hiding cover 6 and to optimize the overall appearance effect.

As shown in fig. 1-4, the external connection assembly 5 is arranged at the back of the housing 1, namely, the water inlet joint 51 and the water outlet joint 52 are arranged at the back of the housing 1. Correspondingly, a hiding cover 6 is arranged at the back of the casing 1 and covers under the front sides of the water inlet joint 51 and the water outlet joint 52.

Specifically, by disposing the water inlet connector 51 and the water outlet connector 52 at the back of the housing 1, so that the water inlet connector 51 and the water outlet connector 52 occupy the space at the back of the housing 1, the hiding cover 6 is also disposed at the back of the housing 1, so that the hiding cover 6 can be shielded at the front side below the water inlet connector 51 and the water outlet connector 52, and meanwhile, the hiding cover 6 is also installed by using the back space of the housing 1, so that the hiding cover 6 occupies too much space at the bottom of the housing 1 additionally.

In some embodiments, the top of the hiding cover 6 is provided with a hanging part 61, and the bottom of the hiding cover 6 is provided with a first inserting part 62;

the back of the shell 1 is provided with a hanging hole 16, and the bottom of the shell 1 is provided with a first jack 17;

the hanging portion 61 is hung in the hanging hole 16, and the first plug-in portion 62 is plugged into the first plug-in hole 17.

Specifically, in order to facilitate the installation of the hiding cover 6, the top of the hiding cover 6 is hung on the back of the casing 1 through the hanging portion 61, and then the bottom is further inserted into the first insertion hole 17 at the bottom of the casing 1 through the first insertion portion 62, so that the hiding cover 6 is assembled on the back of the casing 1.

In another embodiment, in order to further improve the fixing reliability of the hiding cover 6, the bottom of the hiding cover 6 is provided with a first mounting hole (not labeled) in which a screw is provided and fixed on the case 1.

Specifically, the bottom of the hiding cover 6 is more firmly fixed to the case 1 by screws by inserting the screws into the first mounting holes.

In some embodiments, the bottom of the housing 1 is provided with a plurality of first insertion holes 17 along the length direction, and the bottom of the hiding cover 6 is provided with a plurality of first insertion parts 62, and the first insertion parts 62 are inserted into the corresponding first insertion holes 17.

Specifically, since the hiding cover 6 extends along the length direction of the case 1, in order to improve the reliability of the bottom connection, the first insertion portions 62 are engaged with the first insertion holes 17 to increase the reliability of the connection therebetween.

In one embodiment, since the inner container 2 of the housing 1 is assembled, the foaming process is required, and the hiding cover 6 is required to be disassembled and assembled during water pipe connection or maintenance in the later use, a cover plate 18 is further provided in the housing 1, and the cover plate 18 covers the first insertion hole 17.

Specifically, the inner wall of the housing 1 covers the first insertion hole 17 through the cover plate 18, so that foaming material does not enter the first insertion hole 17 during foaming, and the disassembly and assembly of the later hidden cover 6 are affected.

Wherein, the cover plate 18 forms an avoidance groove 181 at the position opposite to the first jack 17. The recess 181 can reserve an interior space for the first plug-in connection 62, so that the first plug-in connection 62 is inserted into the first receptacle 17 and protrudes into the housing 1.

In another embodiment, hanging holes 16 are respectively provided at both ends of the housing 1, and hanging portions 61 are respectively provided at both ends of the hiding cover 6, and the hanging portions 61 are hung in the corresponding hanging holes 16.

Specifically, both end portions of the hiding cover 6 are hung on the back of the case 1 by hanging portions to achieve hanging installation. Also, in order to avoid the foaming material from affecting the disassembly of the hiding cover 6, hanging holes 16 are disposed at both ends of the outer case 1 at the corresponding sides of the first and second heat preservation seats 11 and 12.

Through setting up the back at the shell with water inlet connection and play water joint, and then make water inlet connection and play water joint carry out the connection of pipeline at the back of shell, and the decoration cover of increase is whole installs at the back of shell, decorates the back of cover at the shell and shelters from water inlet connection and play water joint and the pipeline of being connected to, decorate the cover and install with the back space of shell, can reduce the extra bottom space who occupies the shell of decoration cover, realize reducing the whole occupation space size of water heater, and optimize the outward appearance effect of water heater.

In the third embodiment, the control board 42 and the electric control board are connected by a cable, so that the cable can be maintained at a later stage conveniently, and the cable can not be replaced at a later stage because the cable is embedded in the foaming layer is avoided.

As shown in fig. 4 to 9, the side portion of the first thermal insulation seat 11 is provided with a wiring passage 113 communicating with the electrical installation groove 111, the housing 1 is provided with wiring holes 19, and the wiring holes 19 are arranged opposite to and communicate with the wiring passage 113; the control board 42 is connected to the electric control board by a cable passing through the wiring passage 113 and the wiring hole 19, and the front panel 41 is provided on the housing 1 and covers the wiring hole 19.

Specifically, during the assembly process, the cable between the control board 42 and the electric control board is inserted into the interior of the housing 1 through the wiring hole 19 on the housing 1, and then the cable is introduced into the electric room through the wiring channel 113 to be connected with the electric control board.

Since the cable is routed by the routing channel 113 formed by the first heat-preserving seat 11, the cable is prevented from being embedded into the foaming layer when the foaming layer is foamed, and the later maintenance is prevented from being influenced.

When the cable needs to be repaired at a later stage, the panel assembly 4 can be opened or the end cover of the housing 1 can be opened to expose the electrical installation groove 111, so that the replacement of the pull cable can be realized. In addition, in the process of replacing the cable, the influence on the foaming layer inside the housing 1 can be avoided.

In another embodiment, a plurality of line cards (not shown) are further disposed on the end face of the housing 1, and the cables are clamped in the line cards.

Specifically, in order to facilitate routing in the electrical installation groove 111, the cable is positioned by the wire clip, so as to avoid disorder of the cable in the electrical installation groove 111, and further provide safe and reliable use.

In some embodiments, the first heat-preserving seat 11 is further provided with an avoidance gap 114, the water inlet joint 51 is connected with the water inlet pipe 33 through a water pipe, the water outlet joint 52 is connected with the water outlet pipe 34 through a water pipe, and the water inlet joint 51 and the water outlet joint 52 are located in the avoidance gap 114.

Specifically, since the part of the external component 5 is built in the shell 1 and needs to be connected with the water inlet and outlet pipe on the liner 2 through the water pipe, in order to meet the installation requirement of the external component 5, the first heat-preserving seat 11 is provided with the avoidance gap 114, and the avoidance gap 114 is utilized to meet the installation requirement of the external component 5.

In some embodiments, the housing 1 is further provided with a first external connection tube 101, the first external connection tube 101 is arranged in the avoidance gap 114, and a power line (not shown) is arranged in the first external connection tube 101 in a penetrating manner, and the power line is connected with the electric control board.

Specifically, the power cord of the electric water heater enters the electric room through the first external connection tube 101, and likewise, the avoidance notch 114 forms an installation space for the first external connection tube 101.

In other embodiments, the housing 1 is further provided with a second external connection tube 102, where the second external connection tube is disposed in the avoidance gap 114, and a ground wire is threaded in the second external connection tube, and the ground wire is electrically connected with the electric heating tube 32.

Specifically, the ground wire of the electric water heater enters the electric room through the first external wire pipe 101, and likewise, the avoidance notch 114 forms an installation space for the second external wire pipe 102.

In order to meet the installation requirement of the external connection assembly 5 for the housing 1 with different specifications and sizes, as shown in fig. 2 and 10, two connector jacks (not labeled) are arranged on the housing 1; the external connection assembly 5 comprises a water inlet joint 51, a water outlet joint 52, a tube seat 53 and a flexible pad 54, wherein the water inlet joint 51 and the water outlet joint 52 are arranged on the tube seat 53, and the flexible pad 54 is positioned at the bottom of the tube seat 53;

wherein the water inlet connector 51 and the water outlet connector 52 are inserted into the corresponding said connector insertion holes, the tube holder 53 is fixed inside the housing 1 by screws, and the flexible pad 54 is sandwiched between the tube holder 53 and the inner wall of the housing 1.

In addition, for the flexible pad 54, a surface thereof contacting the inner wall of the housing 1 is designed as an arc surface. So that when the flexible pad 54 is pressed, the flexible pad 54 can be better attached to the inner wall surface of the housing 1 to conform to the radian fit requirement of the inner wall of the housing 1.

In some embodiments, to reduce the exposure of the screws, the external assembly 5 comprises a decorative cover 55, the decorative cover 55 being provided with through holes (not marked) in which the water inlet and outlet connectors 51, 52 are inserted.

Specifically, after the stem 53 is fixed to the inner wall of the housing 1 by the screw, the screw is exposed to the outside of the housing 1, and for this purpose, the exposed screw can be covered and decorated outside the housing 1 by the decoration cover 55.

In order to realize the requirement of the screwless design of the decorative cover, the decorative cover 55 can be clamped on the water inlet joint 51 and the water outlet joint 52, or the decorative cover 55 can be clamped on the shell 1 through a clamping jaw and other structures.

In some embodiments, in order to meet the requirement that the water inlet connector 51 and the water outlet connector 52 are mounted on the back of the casing 1, the connector jacks are correspondingly arranged on the back of the casing 1.

Through set up the flexible pad on the tube socket, install external subassembly on the inner wall of shell after, the flexible pad will lean on the inner wall of shell to, when fixing the tube socket on the shell through the screw, the flexible pad can produce corresponding deformation along with the radian of shell inner wall, and then to the shell of different specification sizes, the same structural style's tube socket can utilize the flexible pad to satisfy the installation requirement of different shell inner wall radians, and reduce the condition emergence that appears the shell deformation, satisfy tube socket generalized design in order to reduce water heater manufacturing cost.

In the fifth embodiment, in order to reduce the number of additional functional modules to be installed in the later stage, the following structural design improvement is performed on the electric heating module 3 in order to simplify the assembly process and realize the modular design.

As shown in fig. 11 to 14, the electric heating module 3 in the present embodiment includes:

a flange 31;

an electric heating pipe 32, the end of the electric heating pipe 32 being arranged on the flange 31;

the water inlet pipe 33, the end part of the water inlet pipe 33 is arranged on the flange plate 31, the water inlet pipe 33 is provided with a first water treatment module 35, and the first water treatment module 35 is configured to treat water in the liner;

the end of the water inlet pipe 33 is arranged on the flange plate 31, the water outlet pipe 34 is provided with a second water treatment module 36, and the second water treatment module 36 is configured to perform water quality treatment on water in the liner.

Specifically, since the water inlet pipe 33 and the water outlet pipe 34 are disposed on the flange plate 31, when the electric heating pipe 32 is installed, the water inlet pipe 33, the water outlet pipe 34 and the electric heating pipe 32 are inserted into the inner container 2 from the container mouth of the inner container 2 to complete the assembly.

Through installing water treatment module on inlet tube 33 and outlet pipe 34, like this, utilize inlet tube 33 and outlet pipe 34 to support as the installation component and install water treatment module, when the equipment, water treatment module can follow inlet tube 33 and outlet pipe 34 together assemble and enter into the inner bag 2 in, like this, can need not to additionally install alone through punching on the inner bag 2 to simplify the equipment process, improve packaging efficiency.

In one embodiment, the first water treatment module 35 comprises a sleeve 351 and a mineralized filler 352, wherein a plurality of through holes (not marked) are arranged on the sleeve 351, the sleeve 351 is sleeved outside the water inlet pipe 33, a filling space is formed between the sleeve 351 and the water inlet pipe 33, and the mineralized filler 352 is positioned in the filling space.

Specifically, the first water treatment module 35 can perform mineralization treatment on water in the liner 2, and for this purpose, the first water treatment module 35 is sleeved outside the water outlet pipe 34 through the sleeve 351 and forms a filling space for containing mineralized filler 352 with an outer pipe wall of the water outlet pipe 34.

In the use process, as the sleeve 351 is provided with the through holes, water in the liner 2 enters the filling space to be contacted with the mineralized filler 352 through the through holes, so that mineralization treatment of the water in the liner 2 is realized.

In one embodiment, to facilitate supporting the mounting sleeve 351, the first water treatment module 35 includes a support ring 353, wherein the support rings 353 are disposed inside the two nozzles of the sleeve 351, and the support rings 353 are sleeved outside the water inlet pipe 33.

Specifically, by providing support rings 353 at each end of the sleeve 351, the sleeve 351 is supported and installed by the support rings 353 to meet the requirements for filling the mineralized filler 352.

In another embodiment of the present utility model, the second water treatment module 36 includes a mounting base 361 and a scale inhibiting member 362, the mounting base 361 being disposed at a free end of the outlet pipe 34, the scale inhibiting member 362 being disposed on the mounting base 361.

Specifically, for the second water treatment module 36, it is used for lifting water quality to play a role of scale inhibition, for which purpose, the scale inhibition component 362 is fixedly installed at the free end position of the water outlet pipe 34 through the installation seat 361, so as to be supported and installed through the water outlet pipe 34.

In another embodiment, the free end of the water outlet pipe 34 is bent upwards to form an extension portion 341, and the mounting seat 361 is disposed at the upper end of the extension portion 341.

Specifically, the outlet pipe 34 forms an extension 341, the extension 341 being arranged upright to support the second water treatment module 36.

In one embodiment, the extension 341 is provided with a water outlet 342 that communicates with the water outlet 34.

Specifically, for the water output from the water outlet pipe 34 to the inner container 2, the water is output through the water outlet hole 342, and the installation seat 361 is arranged above the water outlet hole 342, so that the influence of the entering cold water on the hot water layer above the inner container 2 can be reduced.

In one embodiment, the edge of the mounting seat 361 is provided with a downward flanging structure 363, and the downward flanging structure 363 surrounds the outside of the extension portion 341 to cover the outer side of the water outlet hole 342.

Specifically, the downward flanging structure 363 surrounds the outside of the water outlet hole 342, and the cold water outputted from the water outlet hole 342 is blocked by the downward flanging structure 363 and guided to the lower region of the liner 2, so as to maximally increase the hot water output rate of the liner 2.

Through set up water treatment module respectively on inlet tube and outlet pipe, and then with the help of business turn over water pipe with water treatment module installation setting in the inner bag, like this, in actual assembly process, only need pack into the inner bag with electric heating module from the courage mouth of inner bag in, alright accomplish water treatment module's equipment work simultaneously, and need not to independently open the trompil on the inner bag and carry out independent installation, electric heating module realizes modularized design and can effectually simplify the equipment step, realize that electric heating module integrates the function that has water treatment, reduce the whole equipment process of simplifying electric water heater and then improve electric water heater's equipment efficiency.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.

Claims (10)

1. A panel assembly, comprising:

the front panel, the upper portion of the said front panel has plug-in connection and draw-in groove, the bottom of the said front panel has mounting holes;

the control panel is arranged on the front panel;

the decorative board, the bottom of decorative board sets up joint portion, the upper portion of decorative board is provided with supplementary grafting portion, joint portion cartridge is in the draw-in groove.

2. The panel assembly of claim 1, wherein the trim panel is further provided with a trim strip.

3. The panel assembly of claim 2, wherein the trim strip is bonded or snapped onto the trim plate.

4. The panel assembly of claim 1, wherein the front panel comprises a plate body and a plate surface, the plate body is provided with the plug-in portion, the clamping groove and the mounting hole, the plate surface is arranged on the plate body, and the control plate is arranged on the plate body and located on the back surface of the plate surface.

5. The panel assembly of claim 4, wherein the steering plate includes a mounting cup and a circuit board, the circuit board being disposed on the mounting cup, the mounting cup being disposed on the plate body.

6. The panel assembly of claim 5, wherein the circuit board is provided with touch keys and a display screen, the panel is provided with a touch area and a display area, the touch keys are disposed at the rear of the touch area, and the display screen is disposed at the rear of the display area.

7. The panel assembly of claim 4, wherein the panel is bonded or snapped onto the plate body.

8. The panel assembly of claim 4, wherein the back of the plate body is provided with support posts through which the mounting holes extend.

9. The panel assembly of claim 1, wherein the mating portion and the auxiliary mating portion are upwardly extending mating tongues.

10. An electric water heater, comprising:

the front part of the shell is provided with a jack and a limiting hole;

a panel assembly employing the panel assembly of any one of claims 1-9;

the auxiliary plug-in part of the panel assembly is inserted into the limiting hole, and the screw penetrates through the mounting hole of the panel assembly and is fixed on the shell.